Structur al Char acter istics of Laser - welded Cast Pur e Titanium Joints by Differ ent Gap Distance
ZHU Juan- fang1, HE Hui- ming2, LIU Fang3, ZHANG Chun- bao2, WANG Zhong- yi2
West China Journal of Stomatology . 2006, (06): 499 -501 .